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libceph: MOSDOpReply v7 encoding

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Empty request_redirect_t (struct ceph_request_redirect in the kernel
client) is now encoded with a bool.  NEW_OSDOPREPLY_ENCODING feature
bit overlaps with already supported CRUSH_TUNABLES5.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Ilya Dryomov
2016-02-03 15:25:48 +01:00
parent 97db9a8818
commit b0b31a8ffe
2 changed files with 14 additions and 1 deletions
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10
net/ceph/osd_client.c
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@@ -1770,6 +1770,7 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg)
u32 osdmap_epoch;
int already_completed;
u32 bytes;
u8 decode_redir;
unsigned int i;
tid = le64_to_cpu(msg->hdr.tid);
@@ -1841,6 +1842,15 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg)
p += 8 + 4; /* skip replay_version */
p += 8; /* skip user_version */
if (le16_to_cpu(msg->hdr.version) >= 7)
ceph_decode_8_safe(&p, end, decode_redir, bad_put);
else
decode_redir = 1;
} else {
decode_redir = 0;
}
if (decode_redir) {
err = ceph_redirect_decode(&p, end, &redir);
if (err)
goto bad_put;